Ambarella Inc
AMBA- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280263
In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Ambarella Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 305
- +9 vs. Q1 2025
- Shares held
- 35.1M
- +788.3K (+2.3%) vs. Q1 2025
- Total value
- $2.32B
- +$592.3M (+34.3%) vs. Q1 2025
- New holders
- 59
- 108 more added
- Sold out
- 50
- 105 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 22,170 | $1.46M | 0.00% | +14,574+191.9% | Added |
| Intech Investment Management LLC | 22,543 | $1.49M | 0.01% | −3,043−11.9% | Reduced |
| Atom Investors LP | 23,533 | $1.55M | 0.14% | +23,533 | New |
| Virtus ETF Advisers LLC | 23,690 | $1.57M | 0.96% | +23,690 | New |
| MetLife Investment Management | 24,309 | $1.61M | 0.01% | +1,804+8.0% | Added |
| Raymond James Financial Inc | 24,847 | $1.64M | 0.00% | +4,069+19.6% | Added |
| Handelsbanken Fonder AB | 26,639 | $1.76M | 0.01% | +13,495+102.7% | Added |
| HSBC Holdings PLC | 29,297 | $1.93M | 0.00% | −3,326−10.2% | Reduced |
| State of New Jersey Common Pension Fund D | 29,830 | $1.97M | 0.01% | +4,322+16.9% | Added |
| First National Bank of Omaha | 30,101 | $1.99M | 0.13% | +424+1.4% | Added |
| Two Sigma Investments, LP | 30,756 | $2.03M | 0.00% | +6,588+27.3% | Added |
| Freemont Management S.A. | 31,600 | $2.09M | 0.34% | +6,900+27.9% | Added |
| PEAK6 LLC | 32,890 | $2.17M | 0.07% | −4,577−12.2% | Reduced |
| Price T Rowe Associates Inc | 33,119 | $2.19M | 0.00% | +4,371+15.2% | Added |
| California State Teachers Retirement System | 36,344 | $2.40M | 0.00% | +544+1.5% | Added |
| Susquehanna Fundamental Investments, LLC | 40,199 | $2.66M | 0.07% | −5,507−12.0% | Reduced |
| Harber Asset Management LLC | 41,782 | $2.76M | 0.89% | +41,782 | New |
| Franklin Resources Inc | 42,506 | $2.81M | 0.00% | +249+0.6% | Added |
| Shellback Capital, LP | 43,745 | $2.89M | 0.19% | +43,745 | New |
| Wolverine Trading, LLC | 43,291 | $2.90M | 0.07% | +30,512+238.8% | Added |
| Granite Investment Partners, LLC | 44,514 | $2.94M | 0.14% | −593−1.3% | Reduced |
| SEI Investments Co | 45,769 | $3.02M | 0.00% | +21,200+86.3% | Added |
| Citigroup Inc | 48,656 | $3.21M | 0.00% | +6,936+16.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 48,867 | $3.23M | 0.07% | +48,867 | New |
| Graham Capital Management, L.P. | 52,010 | $3.44M | 0.10% | −7,718−12.9% | Reduced |
| Wells Fargo & Company | 54,650 | $3.61M | 0.00% | +4,352+8.7% | Added |
| Rhumbline Advisers | 62,113 | $4.10M | 0.00% | +3,542+6.0% | Added |
| Envestnet Asset Management Inc | 62,174 | $4.11M | 0.00% | +15,222+32.4% | Added |
| Millennium Management LLC | 64,044 | $4.23M | 0.00% | −846,127−93.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 65,000 | $4.29M | 0.08% | −10,000−13.3% | Reduced |
| Lord, Abbett & Co. LLC | 69,089 | $4.56M | 0.01% | −109,210−61.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 71,200 | $4.70M | 0.01% | +71,200 | New |
| Royal Bank of Canada | 71,761 | $4.74M | 0.00% | +7,017+10.8% | Added |
| SWS Partners | 75,156 | $4.97M | 1.34% | −770−1.0% | Reduced |
| Sora Investors LLC | 75,908 | $5.01M | 0.45% | −44,772−37.1% | Reduced |
| Swiss National Bank | 77,033 | $5.09M | 0.00% | +300+0.4% | Added |
| Essex Investment Management Co LLC | 84,479 | $5.58M | 1.01% | −1,952−2.3% | Reduced |
| Marshall Wace, LLP | 88,324 | $5.83M | 0.01% | +83,897+1,895.1% | Added |
| Ameriprise Financial Inc | 93,959 | $6.21M | 0.00% | −26,310−21.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 96,160 | $6.35M | 0.01% | −14,727−13.3% | Reduced |
| Capital Fund Management S.A. | 96,703 | $6.39M | 0.07% | +83,676+642.3% | Added |
| Hillsdale Investment Management Inc. | 96,890 | $6.40M | 0.24% | +23,600+32.2% | Added |
| Man Group plc | 99,755 | $6.59M | 0.01% | +35,682+55.7% | Added |
| Engineers Gate Manager LP | 101,536 | $6.71M | 0.08% | +81,342+402.8% | Added |
| Jain Global LLC | 101,616 | $6.71M | 0.10% | +101,616 | New |
| Russell Investments Group, Ltd. | 101,919 | $6.76M | 0.01% | +26,750+35.6% | Added |
| Hel Ved Capital Management Ltd | 103,870 | $6.86M | 3.09% | −18,460−15.1% | Reduced |
| Stanley-Laman Group, Ltd. | 111,164 | $7.34M | 1.09% | +111,164 | New |
| Arrowstreet Capital, Limited Partnership | 112,659 | $7.44M | 0.01% | +101,389+899.6% | Added |
| Alliancebernstein L.P. | 118,464 | $7.83M | 0.00% | −75,546−38.9% | Reduced |
| S Squared Technology, LLC | 118,551 | $7.83M | 3.30% | −52,000−30.5% | Reduced |
| Neuberger Berman Group LLC | 120,677 | $7.97M | 0.01% | −270.0% | Reduced |
| JPMorgan Chase & Co | 122,107 | $8.07M | 0.00% | −108,220−47.0% | Reduced |
| Bank of New York Mellon Corp | 134,547 | $8.89M | 0.00% | −15,758−10.5% | Reduced |
| Westerly Capital Management, LLC | 143,000 | $9.45M | 4.00% | +143,000 | New |
| Tairen Capital Ltd | 146,000 | $9.65M | 0.99% | −237,120−61.9% | Reduced |
| Potrero Capital Research LLC | 150,000 | $9.91M | 4.61% | +150,000 | New |
| LMR Partners LLP | 150,000 | $9.91M | 0.15% | +150,000 | New |
| Susquehanna International Group, LLP | 159,859 | $10.6M | 0.02% | +100,024+167.2% | Added |
| Trexquant Investment LP | 160,359 | $10.6M | 0.12% | +82,119+105.0% | Added |
| UBS Group AG | 171,441 | $11.3M | 0.00% | +20,218+13.4% | Added |
| First Trust Advisors LP | 174,919 | $11.6M | 0.01% | +3,967+2.3% | Added |
| Voloridge Investment Management, LLC | 178,060 | $11.8M | 0.04% | +178,060 | New |
| Deutsche Bank AG | 179,143 | $11.8M | 0.00% | +103,429+136.6% | Added |
| SG Capital Management LLC | 189,221 | $12.5M | 1.06% | +132,866+235.8% | Added |
| FMR LLC | 220,745 | $14.6M | 0.00% | −7,671−3.4% | Reduced |
| Algert Global LLC | 221,363 | $14.6M | 0.31% | −16,938−7.1% | Reduced |
| Tributary Capital Management, LLC | 224,856 | $14.9M | 1.32% | −15,559−6.5% | Reduced |
| AQR Capital Management LLC | 224,997 | $14.9M | 0.01% | +140,126+165.1% | Added |
| Acadian Asset Management LLC | 225,787 | $14.9M | 0.03% | +111,968+98.4% | Added |
| UBS Asset Management Americas Inc | 232,634 | $15.4M | 0.00% | −999,638−81.1% | Reduced |
| Qube Research & Technologies Ltd | 239,606 | $15.8M | 0.02% | −42,791−15.2% | Reduced |
| Robeco Schweiz AG | 253,120 | $16.7M | 0.39% | −166,000−39.6% | Reduced |
| Assenagon Asset Management S.A. | 257,899 | $17.0M | 0.03% | −223−0.1% | Reduced |
| Baillie Gifford & Co | 259,380 | $17.1M | 0.01% | −30,543−10.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 280,419 | $18.6M | 0.04% | −4,773−1.7% | Reduced |
| Segall Bryant & Hamill, LLC | 344,834 | $22.8M | 0.32% | +35,314+11.4% | Added |
| Invesco Ltd. | 345,447 | $22.8M | 0.00% | +39,091+12.8% | Added |
| Charles Schwab Investment Management Inc | 345,872 | $22.9M | 0.00% | +22,372+6.9% | Added |
| Barclays PLC | 349,567 | $23.1M | 0.01% | +40,527+13.1% | Added |
| Renaissance Technologies LLC | 350,849 | $23.2M | 0.03% | −6,851−1.9% | Reduced |
| AXA S.A. | 356,992 | $23.6M | 0.07% | −5,562−1.5% | Reduced |
| Goldman Sachs Group Inc | 360,215 | $23.8M | 0.00% | −60,910−14.5% | Reduced |
| Exchange Traded Concepts, LLC | 370,741 | $24.5M | 0.31% | −11,131−2.9% | Reduced |
| Northern Trust Corp | 382,670 | $25.3M | 0.00% | −4,016−1.0% | Reduced |
| Pinnacle Associates Ltd | 388,437 | $25.7M | 0.37% | −107,657−21.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 447,826 | $29.6M | 0.12% | −199,962−30.9% | Reduced |
| Balyasny Asset Management LLC | 459,562 | $30.4M | 0.07% | +413,362+894.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 481,163 | $31.8M | 0.11% | +123,392+34.5% | Added |
| Stephens Investment Management Group LLC | 493,929 | $32.6M | 0.43% | −5,846−1.2% | Reduced |
| Nuveen, LLC | 504,740 | $33.3M | 0.01% | −134,420−21.0% | Reduced |
| Dimensional Fund Advisors LP | 516,159 | $34.1M | 0.01% | −27,524−5.1% | Reduced |
| Squarepoint Ops LLC | 557,172 | $36.8M | 0.08% | +557,172 | New |
| Bank of America Corp | 567,886 | $37.5M | 0.00% | −7,647−1.3% | Reduced |
| Oberweis Asset Management Inc | 573,360 | $37.9M | 1.65% | +4,535+0.8% | Added |
| Legal & General Group Plc | 634,477 | $41.9M | 0.01% | +53,917+9.3% | Added |
| Morgan Stanley | 792,128 | $52.3M | 0.00% | +30,258+4.0% | Added |
| Citadel Advisors LLC | 945,660 | $62.5M | 0.05% | +234,407+33.0% | Added |
| Geode Capital Management, LLC | 976,281 | $64.5M | 0.00% | +28,371+3.0% | Added |
| Fuller & Thaler Asset Management, Inc. | 1,017,287 | $67.2M | 0.25% | +106,376+11.7% | Added |